Special Barrel Screw Suppliers

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  • 36000㎡

    Construction area

  • 25000㎡

    Workshop area

  • 100+

    Skillful employees

  • 20

    Technicalist personal



Zhejiang Bimetal Machinery Co., Ltd. (formerly Zhejiang Zhoushan Dinghai Chen’s Machinery Co., Ltd.) is located at the coast of East China Sea, adjacent to the famous international deep-water port – Ningbo Beilun Port.

Bimetal is professional China Special Barrel Screw Manufacturers and Special Barrel Screw Suppliers which specializes in manufacturing series of screws, rubber melting cylinder products. Products are widely used in the 30-40000 grams injection molding machine, the 15-250mm single screw extruder, and the 30-130mm conical and parallel twin-screw extruder and all kinds of rubber machine, weaving machine, puffed food machine. All of the products are made of quality 38CrMoALA steel. By employment of fine processes of quenching and tempering, stiffening, nitriding, grinding, finishing, and guidance of ISO9002 International Quality Control System, products are in line with international standards. GⅡ 113 nickel-based alloy (latest 3# steel) screw cylinder is also one of our fist products; it is applicable for alloy bimetal (PTA) welding. In addition to providing balance equipment for complete machine companies abroad, we are also a leading Supplier undertaking OEM service, surveying and mapping assistance, as well as design services for big and small companies at home. No matter you are our existing partner or potential customer, with products and services, we warmly welcome your visit and inquiries with our wholeheartedly and thoughtful services. We also custom Special Barrel Screw. We also wholesale in bulk.


Screws are gauged and manufactured to meet your highest quality and performance standards.

Industry Knowledge Expansion About This Category
1. The Role of Special Barrel Screws in Plastic Extrusion Processes
Plastic extrusion is a widely employed manufacturing method that transforms raw plastic materials into various products, ranging from pipes and profiles to films and sheets. Central to this process is the extruder, consisting of a barrel and a screw. The screw's design and functionality are critical in facilitating the melting, mixing, and conveying of the plastic material through the barrel. Special barrel screws have emerged as an innovative solution to optimize plastic extrusion, enhancing efficiency, productivity, and product quality. 

2. Partnering with Specialty Barrel Screw Suppliers for Operational Excellence
The integration of special barrel screws into plastic extrusion processes yields several significant benefits, enabling manufacturers to achieve operational excellence. Some key advantages include:

1)Increased Productivity and Throughput: Special barrel screws optimize the extrusion process, enabling manufacturers to achieve higher production rates without compromising product quality. The enhanced melting, mixing, and conveying capabilities result in faster processing speeds, reducing cycle times and increasing throughput. This increased productivity allows manufacturers to meet growing demands efficiently and capitalize on market opportunities.

2)Improved Product Quality and Consistency: The advanced design and mixing capabilities of special barrel screws ensure uniform distribution of additives and colorants, minimizing defects and improving product quality. Homogeneous melt quality leads to consistent mechanical properties, dimensional stability, and visual appearance of the extruded products. This improved quality enhances customer satisfaction, strengthens brand reputation, and opens avenues for new business opportunities.

3)Cost Savings and Efficiency: Special barrel screws contribute to cost savings through reduced energy consumption, minimized material waste, and improved operational efficiency. The optimized melting and mixing processes reduce energy requirements, resulting in lower utility costs. Additionally, the ability to achieve higher productivity and consistent product quality reduces material waste and scrap rates, enhancing overall efficiency and profitability.